Identify the letter of the choice that best completes the statement or answers the question.
Professor Ober carefully monitors and records the behaviors of children on school playgrounds in order to track the development of their physical skills. Professor Ober is most clearly engaged in:
Which of the following methods is most helpful for revealing cause-effect relationships?
A negative correlation between degree of wealth and likelihood of suffering from a psychological disorder would indicate that:
The most foolproof way of testing the true effectiveness of a newly introduced method of psychological therapy is by means of:
The cognitive perspective in psychology emphasizes how:
The biggest danger of relying on case-study evidence is that it:
In the control condition of an experiment the:
Which technique involves repeating the essence of an earlier research study with different subjects and in different circumstances?
The neuroscience perspective in psychology would be most likely to emphasize that behavior is influenced by:
Professor Smith told one class that alcohol consumption has been found to increase sexual desire. He informed another class that alcohol consumption has been found to reduce sexual appetite. The fact that neither class was surprised by the information they received best illustrates the power of:
In an experimental study of the effects of anxiety on self-esteem, anxiety would be the ________ variable.
Professor Crisman believes that most women prefer tall and physically strong partners because this preference enhanced the reproductive success of our female ancestors. This viewpoint best illustrates the ________ perspective.
Conservatives are more likely than liberals to perceive high levels of popular support for politically conservative views. This best illustrates:
Wilhelm Wundt used the research method known as:
In a psychological experiment, the factor that may be influenced by the manipulated experimental treatment is called the ________ variable.
Prediction is to ________ as explanation is to ________.
Professor Saxton was very skeptical about the findings of a recently reported experiment on the effects of sleep deprivation. Which technique would best enable her to investigate the reliability of these findings?
In order to assess reactions to a proposed tuition hike at her college, Susan sent a questionnaire to every fifteenth person in the college registrar's alphabetical listing of all currently enrolled students. Susan employed the technique of:
The case study is a research method in which:
In a group of five individuals, two report annual incomes of $10,000, and the other three report incomes of $14,000, $15,000, and $31,000, respectively. The mode of this group's distribution of annual incomes is:
Researchers and subjects in a drug-evaluation study are both ignorant about which subjects have actually received an experimental drug and which were given a placebo. This investigation involves the use of:
In a study of the effects of alcohol consumption, some participants drank a nonalcoholic beverage that actually smelled and tasted alcoholic. This nonalcoholic drink was a:
A statistical measure that indicates the extent to which changes in one factor are accompanied by changes in another is called a(n):
Jamie and Lynn were sure that they had answered most of the multiple-choice questions correctly because "they simply required common sense." However, they each received a 60% on the exam. This best illustrates:
When Mr. Adams calculated his students' algebra test scores, he noticed that two students had extremely low scores. Which measure of central tendency is affected most by the scores of these two students?
Professor Morin wants to discover whether the intelligence of adopted children is more similar to their adoptive parents or to their biological parents. The professor seems to be most directly interested in the issue of:
Which of the following correlation coefficients expresses the weakest degree of relationship between two variables?
Which measure of central tendency is used to calculate your grade-point average?
A researcher would be most likely to discover a positive correlation between:
John Watson is to Wilhelm Wundt as ________ is to ________.
A specification of how a researcher measures a research variable is known as a(n):
Which of the following is a measure of the degree of variation among a set of events?
Dr. Wilson attributes the violence of criminal gang members to the norms and role expectations associated with gang membership. Her belief best illustrates a(n) ________ perspective.
Research participants are randomly assigned to different conditions in an experiment in order to:
During the last Central High School basketball game, the starting five players scored 11, 7, 21, 14, and 7 points, respectively. For this distribution of scores, the range is: